SLP here. The skill of speech therapists doing fluency therapy varies A LOT. Consider looking at ASHA’s website to find someone who specializes in speech therapy. Most of us don’t spend that much time working with clients who stutter, and are not as skilled as we’d like to be. Speech therapy is not a quick fix by any means but it can be a helpful tool. Sometimes having a skilled SLP beside you on the journey is helpful. It’s not unlike counseling in some ways. It can be a winding road—but for some having an ally on the road—can be a help. If you’d like to try online self-therapy SLP Stephen has a good program. It is pretty comprehensive and since he is a person who stutters he is relatable. Also his videos provide good models to practice various strategies.